Bypass LED Illuminates

PROBLEM AND POSSIBLE		SOLUTION
CAUSE
BYPASS LED ILLUMINATES
The bypass switch has been		If bypass is the chosen mode of operation, ignore the illuminated LED.
turned on manually or through		If bypass is not the chosen mode of operation move the bypass switch on the
an accessory.
an accessory.		back of the UPS, to the normal position.
		back of the UPS, to the normal position.

FAULT AND OVERLOAD LEDS ILLUMINATE, UPS EMITS A SUSTAINED ALARM TONE
The UPS has ceased sending		The connected equipment exceeds the specified “maximum load” as defined in
power to connected equipment.		Specifications on the APC Web site, www.apc.com.
		Disconnect nonessential equipment from the UPS to eliminate the overload
		condition.
		Press the OFF button, then the ON button to restore power to connected
		equipment.

FAULT LED ILLUMINATES
Internal UPS fault.		Do not attempt to use the UPS. Turn the UPS off and have it serviced
		immediately.

REPLACE BATTERY LED ILLUMINATES
Replace Battery LED flashes and		Check that the battery connectors are fully engaged.
short beep is emitted every two
seconds to indicate the battery is
disconnected.
Weak battery.		Allow the battery to recharge for 24 hours. Then, perform a self-test. If the
		problem persists after recharging, replace the battery.
Failure of a battery self-test.		The UPS emits short beeps for one minute and the Replace Battery LED
		illuminates. The UPS repeats the alarm every five hours. Perform the self-test
		procedure after the battery has charged for 24 hours to confirm the Replace
		Battery condition. The alarm stops and the LED clears if the battery passes the
		self-test.

UPS OPERATES ON BATTERY ALTHOUGH LINE VOLTAGE EXISTS
Very high, low, or distorted line		Move the UPS to a different outlet on a different circuit. Test the input voltage
voltage. Inexpensive fuel		with the utility voltage display.
powered generators can distort
the voltage.

DIAGNOSTIC UTILITY VOLTAGE
All five LEDs are illuminated		The line voltage is extremely high and should be checked by an electrician.

There is no LED illumination		If the UPS is plugged into a properly functioning utility power outlet, the line
		voltage is extremely low.

ONLINE LED
There is no LED illumination		The UPS is running on battery, or it is not turned on.

The LED is blinking		The UPS is running an internal self-test.

RT-UXI, RT-UXICH specifications

American Power Conversion (APC) has long been a leader in power protection and management solutions, and its RT-UXICH and RT-UXI line of uninterruptible power supplies (UPS) exemplifies the company's commitment to reliability and innovation. These UPS units are specifically designed to safeguard critical equipment in data centers, telecommunications systems, and other applications where power continuity is essential.

One of the main features of the RT-UXICH and RT-UXI is their advanced double-conversion technology. This allows for a consistently clean and stable output voltage, ensuring that sensitive electronic equipment is protected from voltage fluctuations and power surges. The double-conversion design also means that the UPS can provide power instantaneously during an outage, eliminating any downtime for connected devices.

Both models are equipped with a high-efficiency operation mode which contributes to reduced energy consumption, making them environmentally friendly options for businesses looking to optimize their energy use. The digital signal processing technology used in these models enhances performance and reliability, ensuring that power management is both efficient and effective.

The RT-UXICH and RT-UXI also feature hot-swappable battery modules, enabling users to replace batteries without shutting down critical loads. This capability is crucial for mission-critical environments where uptime is non-negotiable. Moreover, the intuitive LCD interface provides real-time monitoring and alerts, allowing users to easily assess the UPS status and make informed decisions quickly.

In terms of connectivity, these units come with multiple communication ports including USB and serial communication options, enabling seamless integration with existing management software. Additionally, they support network management cards that allow remote monitoring and management of the UPS, ensuring that any potential issues can be addressed promptly.

Compliance with various international safety and environmental standards solidifies the reliability of these units. APC also provides robust support and warranty options, further enhancing peace of mind for businesses investing in power protection.

Overall, the APC RT-UXICH and RT-UXI UPS models are characterized by their reliability, efficiency, and advanced technology features, making them ideal solutions for organizations that demand uninterrupted power supply for their crucial operations.

American Power Conversion RT-UXICH user manual Bypass LED Illuminates

Models: RT-UXI RT-UXICH

RT-UXI, RT-UXICH specifications